Home / 1,672,950.96-2,308,693.32-909,017.28

Finding the Fourth Proportional to 1,672,950.96, 2,308,693.32 and 909,017.28

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Solution

The fourth proportional to 1,672,950.96, 2,308,693.32 and 909,017.28 is: 1,254,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,950.96 : 2,308,693.32 = 909,017.28 : x
  2. Step 2: Convert to fraction form
    1,672,950.96/2,308,693.32 = 909,017.28/x
  3. Step 3: Cross multiply
    1,672,950.96x = 2,308,693.32 × 909,017.28
  4. Step 4: Simplify right side
    1,672,950.96x = 2,098,642,122,100.57
  5. Step 5: Solve for x
    x = 2,098,642,122,100.57/1,672,950.96
  6. Step 6: Final answer
    x = 1,254,455.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.